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US3322828A Expired / Lapsed US ⏱️ 0.0 years remaining

Trifluoromethyl-sulphonic acid-trifluoromethylphenyl amides and process for their production

Assignee: Bayer AG
•
Filing: 1963-11-22
•
Granted: 1967-05-30
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Expires: 1983-11-22
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Abstract

No abstract record available.

Inventors

  • 👤 Muth Friedrich
  • 👤 Unterstenhofer Gunter
  • 👤 Herlinger Heinz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 20:51
CPC Classifications
C; C07; C07C; C07C311/00; C07C311/15

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 5 words
A COMPOUND OF THE FORMULA
Claim 2
Dependent Claim 5 words
A COMPOUND OF THE FORMULA

References Cited (Backward Citations)

US2618538A Cited
GB900111A Cited
US3034955A Cited
US3162684A Cited
AT216493B Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-05-29 1970-11-28 1971-05-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-05-29 1974-11-28 1975-05-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-05-29 1978-11-28 1979-05-30 $7700.00 Window Closed / Lapsed

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